11 34 715 Replacing all valve springs (N54, N54T)

Special tools required: 

• 11 0 009
• 11 0 346
• 11 4 480
• 11 9 000
• 11 9 017

Necessary preliminary tasks: 

• Remove cylinder head cover
• Remove CYLINDER HEAD .
• Remove EXHAUST CAMSHAFT .
• Remove INTAKE CAMSHAFT 
• Remove ROLLER CAM FOLLOWERS 

Intake valves: 

Fit cylinder head on special tool 11 9 000 .

Press valve spring down on spring cup with special tools 11 0 009 and 11 9 017 .

Fig 1: Pressing Down Valve Spring Using Special Tools (11 0 009) And (11 9 017)

Exhaust valves: 

Fit cylinder head on special tool 11 9 000 .

Press valve spring down on spring cup with special tools 11 0 009 and 11 0 346 .

Fig 2: Pressing Spring Cup Valve Spring Using Special Tools (11 0 009) And (11 0 346)

Remove valve tapers with a magnet.

Remove valve spring and spring retainer.

Set down on special tool 11 4 480 in a tidy and orderly fashion.

Fig 3: Removing Valve Tapers

Colour marking (1) is normally on lower end of valve spring.

Installation note: 

Einlassventil: Violet/green or violet/yellow

Auslassventil: White/green or white/yellow

If the colours on the valve springs can no longer be identified, these must be replaced for safety reasons.

Fig 4: Identifying Valve Spring Colour Marking

Arrangement:

1. Valve
2. Valve stem seal with spring plate, bottom
3. Valve spring
4. Top plate spring
5. Valve keys

Fig 5: Identifying Valve Related Components

Assemble engine.

Check function of DME control unit.